your skeleton is made up of The skeleton has four important functions - to the body to organs, to help the body move, and to make Red and white blood cells are produced in bone which is found in the centre of some bones.

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Bone marrow is a spongy substance found in the center of the bones. It manufactures bone marrow stem cells and other substances, which in turn produce blood cells. Each type of blood cell made by the bone marrow has an important job. And if that is not what you are looking for there is also the,
The skeletal system,it is your body’s support structure. It gives your body its shape, allows movement, makes blood cells, provides protection for your organs and stores minerals. The skeletal system is also called the musculoskeletal system.